<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>显示功能</title>
    <style type="text/css">
        table{border:1px solid;width:800px;height: 500px}
        td{text-align: center;border:1px solid black}
        tr:nth-child(1){font-weight: bold;}
        .highLight{background-color:lightgray}
    </style>
</head>
<body>
<table cellpadding="0" cellspacing="0">
    <tr class="head">
        <td>学号</td>
        <td>姓名</td>
        <td>进入时间</td>
        <td>离开时间</td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr  >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr >
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
</table>
</body>
</html>